Fig. 19

TTJS used for tube pull-out test. (a) 4%, 6%, and 8% wall reduction expanded joints. (b) 4%, 6%, and 8% wall reduction welded-expanded joints. (c) Welded only joints.

TTJS used for tube pull-out test. (a) 4%, 6%, and 8% wall reduction expanded joints. (b) 4%, 6%, and 8% wall reduction welded-expanded joints. (c) Welded only joints.